Table of contents : Some aspects of classical knot theory....Pages 1-60 A survey of multidimensional knots....Pages 61-134 A linking invariant of classical link concordance....Pages 135-170 Noeuds antisimples....Pages 171-202 Signature of branched fibrations....Pages 203-217 Cobordismus von knoten....Pages 218-226 Attempting to classify knot modules and their hermitian pairings....Pages 227-242 Some results on higher dimensional knot groups....Pages 243-269 Appendix....Pages 270-273 Algebraic computations of the integral concordance and double null concordance group of knots....Pages 274-290 Knot modules and seifert matrices....Pages 291-299 Torsion dans les modules d'alexander....Pages 300-308 Problems....Pages 309-311